I always update this post, so keep on checking for New Plurk Emoticon Updates. Your comment will also be appreciated . Happy Plurking!

Update:

As of August 19, 2011, emoticons that is uploaded by Plurk users no longer works. The good news about this is that you can now upload your own set of emoticon and even make use of the emoticons uploaded by other users.

Set 1 - User Emoticons

(This set works by directly posting the entire URL of the emoticon. Unluckily there is no associated text that you can use to post them on your Plurks.)